Home / 51,022.39-70,406.07-28,358.70

Finding the Fourth Proportional to 51,022.39, 70,406.07 and 28,358.70

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Solution

The fourth proportional to 51,022.39, 70,406.07 and 28,358.70 is: 39,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,022.39 : 70,406.07 = 28,358.70 : x
  2. Step 2: Convert to fraction form
    51,022.39/70,406.07 = 28,358.70/x
  3. Step 3: Cross multiply
    51,022.39x = 70,406.07 × 28,358.70
  4. Step 4: Simplify right side
    51,022.39x = 1,996,624,617.31
  5. Step 5: Solve for x
    x = 1,996,624,617.31/51,022.39
  6. Step 6: Final answer
    x = 39,132.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.